Which of the following is NOT true?
The net force on an object is equal to the mass of the object multiplied by the acceleration.
The net force exerted on an object is related in a linear fashion to the acceleration of the object.
An object moving at constant velocity always has a net force acting on it.
An object moving with constant acceleration always has a net force acting on it.

What are similarities and differences of reflection, refraction, diffraction and absorption?

Four objects each with charge +2.0×10−7c are located at the corners of a square whose sides are 2.0 m long. part a what quantities can be determined using this information? check all that apply. the electric force on a charged object placed at the center of the square. the mass of each object. the total electric potential energy of the system consisting of the four charged objects. part b find the electric force on a charged object placed at the center of the square.

Which statement best describes the direction of the buoyant force on any object? a. opposite the force of gravity b. in the same direction as the weight c. in the direction of motion of the object d. opposite the direction of motion of the object